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发明名称
Object locator system
摘要
申请公布号
US2475707(A)
申请公布日期
1949.07.12
申请号
US19450583536
申请日期
1945.03.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JEANNE PAUL A.
分类号
G01S1/02;G01S19/51
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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